To continue the discussion, it would seem that it is a lover speaking to Danny boy, as Weatherby's alternate lyrics just show the song from the other viewpoint, although suggesting that Eily may find Danny's grave, without it necessarily being at home!.

Copyright was by Boosey&Co 1913, the lyrics in the next message (if no-one beats me to it) are from the "New Edition" copyright Boosey&co 1918

Nigel